Product Overview
The Guide TD435LS Thermal Monocular has been upgraded with the latest ApexVision technology from Guide Sensmart. Equipped with a highly sensitive 400 × 300 @12μm thermal detector with an impressive NETD of <15mK, it provides clear thermal imagery and enhanced target detection in challenging weather and low-visibility conditions.
Featuring an integrated 1200m laser rangefinder, the TD435LS allows users to accurately measure distances while maintaining a lightweight and ergonomic design. The intuitive focusing roller enables smooth one-handed operation, while the symmetrical housing ensures comfortable use with either hand.
Combining advanced thermal performance, long battery life, laser rangefinding capability, and a compact form factor, the Guide TD435LS LRF is an ideal solution for wildlife observation, pest control, search and rescue, security applications, and general outdoor exploration.






| Product Name | Guide TD435LS Thermal Monocular with LRF |
|---|---|
| Laser Rangefinder | 1200m |
| Type-C Power Supply | USB-C |
| Battery Operating Time | 10 Hours |
| Battery Type | Single Replaceable 18650 |
| Audio Recording | Yes |
| Standby Mode | - |
| Hotspot | Yed |
| Capture Snapshot | - |
| Record Video | Yes |
| Working Temperature | -20°C to 50°C |
| Dimension | 159×54×74mm |
| Weight | 355g |
| Protection Level | IP67 |
| Image Pro | N/A |
| HSIS | N/A |
| Zoom Pro | N/A |
| Diopter | -6 to +6 |
| Exit Pupil | - |
| Palettes | White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia |
| Display | 0.49'' AMOLED 1440×1080 |
| Magnification | 3.26x~13.04x |
| Field of View (Degrees/m @ 100m) | 14×10 |
| Detection Range | 1800m |
| NETD | 15mK |
| Response Waveband | 8 to 14μm |
| Pixel Interval | 12μm |
| Frame Rate | 50Hz |
| Sensor Resolution | 400×300 |
| Lens (Focal Length) | 35mm |